Finding the Fourth Proportional to 10,435.94, 14,403.59 and 8,162.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,435.94 : 14,403.59 = 8,162.78 : x
2. Step 2: Convert to fraction form
   10,435.94/14,403.59 = 8,162.78/x
3. Step 3: Cross multiply
   10,435.94x = 14,403.59 × 8,162.78
4. Step 4: Simplify right side
   10,435.94x = 117,573,254.16
5. Step 5: Solve for x
   x = 117,573,254.16/10,435.94
6. Step 6: Final answer
   x = 11,266.19